решите уравнения
1) 1,2-2*(1,3х+1)=5,6х-27,04
2)8*(2а-6)=2*(4а+3)
3)-3*(2,1m-1)+4,8=-6,7m+9,4
1) 1,2-2*(1,3х+1)=5,6х-27,04
2)8*(2а-6)=2*(4а+3)
3)-3*(2,1m-1)+4,8=-6,7m+9,4
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Answers & Comments
-2,6х-5,6х=-27,04-1,2+2
-8,2х=-26,24
х=3,2
2)16а-48=8а+6
16а-8а=6+48
8а=54
а=6,75
3)-6,3м+3+4,8=-6.7м+9.4
-6,3м+6.7м=9.4-3-4.8
0.4м=1.6
м=4